{"id":"DEBIAN-CVE-2026-0858","details":"Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script execution in the context of applications that render the SVG.","modified":"2026-09-14T17:00:32.410015495Z","published":"2026-01-16T05:16:16.117Z","upstream":["CVE-2026-0858"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-0858"}],"affected":[{"package":{"name":"plantuml","ecosystem":"Debian:12","purl":"pkg:deb/debian/plantuml?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-3","1:1.2020.2+ds-4","1:1.2020.2+ds-5","1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0858.json"}},{"package":{"name":"plantuml","ecosystem":"Debian:13","purl":"pkg:deb/debian/plantuml?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0858.json"}},{"package":{"name":"plantuml","ecosystem":"Debian:14","purl":"pkg:deb/debian/plantuml?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.2020.2+ds-6","1:1.2026.2+ds-1","1:1.2026.2+ds-2","1:1.2026.2+ds-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-0858.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}